There may be various agents harmful to employee health in the work environment. One of the most common is noise. For example, in Poland in 2017, over 187 thousand people were working in the noise hazard, while in industrial dusts hazards about 50 thousand. The protection of workers' health from the effects of exposure to these agents requires the measurement and assessment of exposure. This task can be particularly difficult in the case of a changing work environment or non-stationary workplaces. The article presents a system being developed for monitoring and limiting worker exposure to harmful agents in the work environment. It consists of a network of intelligent sensor (measuring) devices and wearable warning devices worn by employees. The system uses two types of popular wireless data transmission protocols: Bluetooth LE to determine the position of an employee in a working environment and Wi-Fi for data transmission between network devices. Thanks to the use of Wi-Fi devices, the network can send data via the Internet, which enables remote supervision of working conditions. The article discusses the structure and operation of the system following the example of monitoring of noise and vibration hazards.
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